package com.kuang.config;



import at.pollux.thymeleaf.shiro.dialect.ShiroDialect;
import org.apache.shiro.spring.web.ShiroFilterFactoryBean;
import org.apache.shiro.web.mgt.DefaultWebSecurityManager;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import java.util.LinkedHashMap;
import java.util.Map;

@Configuration
public class ShiroConfig {

    // 3、ShiroFilterFactoryBean
    @Bean
    public ShiroFilterFactoryBean getShiroFilterFactoryBean(@Qualifier("securityManager") DefaultWebSecurityManager defaultWebSecurityManager){
        ShiroFilterFactoryBean bean = new ShiroFilterFactoryBean();

        // 设置安全管理器
        bean.setSecurityManager(defaultWebSecurityManager);

        // 添加shiro的内置过滤器
        /*
        * anon 无需认证就可以访问
        * authc 必须认证才能访问
        * user 必须拥有 记住我 功能才能访问
        * perms 拥有对某个资源的权限才能访问
        * role 拥有某个角色权限才能访问
        *
        * */
        // 拦截
        Map<String,String> filterMap = new LinkedHashMap<>();

        filterMap.put("/user/add","authc");
        filterMap.put("/user/update","authc");

        // 授权,正常情况下，没有授权会跳转到未授权页面
        filterMap.put("/user/add","perms[user:add]");
        filterMap.put("/user/update","perms[user:update]");
        // 未授权页面
        bean.setUnauthorizedUrl("/noauth");


        bean.setFilterChainDefinitionMap(filterMap);

        // 设置登录的请求
        bean.setLoginUrl("/toLogin");

        return bean;
    }

    // 2、DefaultWebSecurityManager
    @Bean(name="securityManager")
    public DefaultWebSecurityManager getDefaultWebSecurityManager(@Qualifier("userRealm") UserRealm userRealm){
        DefaultWebSecurityManager securityManager = new DefaultWebSecurityManager();
        // 关联UserRealm
        securityManager.setRealm(userRealm);
        return securityManager;
    }


    // 1、创建realm对象、需要自定义
    @Bean(name="userRealm")
    public UserRealm userRealm(){
        return new UserRealm();
    }


    // 整合ShiroDialect 整合shiro 和thymeleaf
    @Bean
    public ShiroDialect getShiroDialect(){
        return new ShiroDialect();
    }






}
